Here are some popular sleeping bags on Amazon for winter camping under 2500 TL that offer warmth, durability, and portability
1- https://www.amazon.com/MEREZA-Sleeping-Camping-Backpacking-Weather/dp/B0CXTHZG5N
2- https://www.amazon.com/Coleman-Heritage-Cold-Weather-Sleeping-Comfortable/dp/B004J2FB5Y?th=1
3- https://www.amazon.com/TETON-Celsius-Sleeping-Compression-Included/dp/B0D88VH3XN
4- https://www.amazon.com/FARLAND-Compression-Lightweight-Waterproof-Backpacking/dp/B074W4CPVV?th=1&psc=1
